Epidermis in Plants. Epidermal tissue system is the outermost covering of plants. Epidermis Function. Here, we discuss the control of epidermal cell fate and the function of the epidermal cell layer in the light of recent advances in the field. When stomata open to exchange gases during photosynthesis, water is … The lower epidermis contains stomata cells that help prevent water loss and regulate the exchange of gases such as oxygen and carbon dioxide, enabling plants to survive. The epidermis covers the outer surfaces of the leaves, stems, flowers, fruits, and roots of the plant, but it is chemically connected to cell layers below. The aerial parts of plants have waxy, water resistant layer on the outer surface of epidermal cells which in turn reduces water loss and provide protection against mechanical injury and invasion of parasitic fungi. But it is interrupted by stomata. Other cells in the lower epidermis include a waxy cuticle to protect underlying layers, according to Education Portal. Functions of the Epidermis The epidermis acts as a barrier that protects the body from ultraviolet (UV) radiation, harmful chemicals, and pathogens such as bacteria, viruses, and fungi. Epidermis is generally composed of single layer of parenchymatous cells compactly arranged without intercellular spaces. An intact epidermis is crucial for certain key processes in plant development, shoot growth and plant defence. Epidermis is the protective tissue of plants which forms the outer covering of entire plant surface and protects the underlying tissues. It guards the interior organs, muscles, nerves, and blood vessels. It consists of epidermis, stomata and epidermal outgrowths. But the epidermis also serves a variety of other functions for plants. Thereof, what is the function of the epidermis in a leaf? Unlike some plant parts, there are no chloroplasts in most of the epidermis. The epidermis serves several functions: it protects against water loss, regulates gas exchange, secretes metabolic compounds, and (especially in … Function. Epidermal functions are given below: It is accountable for the safety of the whole body. Historically, it was thought that the function of the epidermis was to regulate fluid and … Serving as a plant’s skin, epidermis cells protect internal tissues from the outside world by creating a barrier. The epidermis is 4 layers thick, and are as follows- stratum basale, stratum corneum, stratum granulosum, stratum spinosum. Epidermis function includes protecting your body from harmful things like bacteria and UV radiation and helping ensure beneficial things like moisture and … It forms a boundary between the plant and the external environment. It plays a vital role in the formation of cells of new skin. 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